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Cleaned wheels, emptied catch can & bay candy :)

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RedRobin:

--- Quote from: Saint Steve on May 18, 2010, 08:38:47 pm ---changed my pcv recently, and had very little signs or major oil flow or signs of it inside the old blown pcv. Just Carbon diposits.

--- End quote ---

....But without a catch tank I don't think you'd see any gunk because it will have continued on through. I don't know for certain though.

Having a catch tank system is certainly a good insurance.

Saint Steve:
Robin,the  pcv valve had no sings of oil flow via it,thats why I don't understand why such a large volume of oil has been presurised that much to such a volume in that catch can.in mine was just carbon diposits and no sign of any conjealed oil clogging up the engine breather or flowing via it.perhaps with a higher stage tune, causes more internal combustion pressure and results in engine oil being forced more around into the engines breather/into induction curcuit??

Tfsi_Mike:

My PCV didnt have this beige coloured residue in it either  :confused:

vRS Carl:
My Catch Can often produces the same spunk out of it

I think its due to condensation build up in the gunk that is collected (a bit like you get in winter if your only doing short journeys). Don't forget your old PCV was connected direct to the Cylinder Head Cover so the oil etc going through there is hot all the time and it maintains the heat from the engine block. The catch can is located further away from the engine normally so it doesn't get as hot so the condensation forms.

Thats the way i explain it to myself anyway  :signLOL:

I don't think its anything for you to worry about

Carl

RedRobin:
.

There are so many cars running aftermarket catch tank systems around the world that, although they are invariably performance modified/tuned, surely the option and alleged benefits can't be ignored.

As I have included in my forthcoming book review of Forge's solution [am just waiting for an improved tank and my photo of it installed] john_o writes:

"The key thing to remember is that the TFSI engine doesn't have a catch can (but everything else is relevant), and oil fumes / water vapour and related gumph are ported back into the engine to try and achieve good emissions. On most cars this is not a problem as fuel washes constantly keeping everything clean. The bad news is that TFSI is direct fuel injection (injectors spray directly into the combustion chamber), so the only thing passing the intake valves is air (and the oil and water vapour gunk), this is really bad news."

It seems that in the long term our FSI engines have a need and especially if tuned.

This raises the question of how much do VW care in the long term when they are under pressure to meet stringent emission rules etc. It's all in my review to come.

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